Answer:
-9
Step-by-step explanation:
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Answer:
33 & 27
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Answer:
110 IQ too!
Step-by-step explanation:
For statistical problems, especially for ones with large enough sample sizes like this one (n = sample size = 100), the means for various samples is usually equal to the population mean.
It is the standard deviation of sample that differs from the standard deviation of the population through
σₓ = σ/√n
But, The mean of the sample = The population mean
μₓ = μ = 110 IQ
The shape of the cross-section is a rectangle and the area of the cross section is square units.
<h3>
Analysis of a cube</h3>
Let be a cube whose <em>side</em> length is and lines and intersects the cube, then we have a <em>cross</em> section formed by points A, C, E, H. Since , , and , then by 45-90-45 right triangle.
In addition, we know that , and . Hence, we conclude that the cross-section is a rectangle. Hence, the area of the <em>cross-section</em> area is:
(2)
If we know that , then the area of the cross-section is:
The shape of the cross-section is a rectangle and the area of the cross section is square units.
To learn more on quadrilaterals, we kindly invite to check this verified question: brainly.com/question/25240753